It seems to me like this game is being put out relatively quick.
<img src="/ubbthreads/images/graemlins/beyond.gif" alt="" /> uses an enhanced version of the Divinity engine. So the same engine but with many improvements (see the many interviews for some examples).
And maybe because we work faster now? <img src="/ubbthreads/images/graemlins/silly.gif" alt="" />